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Finding the Fourth Proportional to 507,559.39, 700,432.14 and 278,114.82

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Solution

The fourth proportional to 507,559.39, 700,432.14 and 278,114.82 is: 383,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,559.39 : 700,432.14 = 278,114.82 : x
  2. Step 2: Convert to fraction form
    507,559.39/700,432.14 = 278,114.82/x
  3. Step 3: Cross multiply
    507,559.39x = 700,432.14 × 278,114.82
  4. Step 4: Simplify right side
    507,559.39x = 194,800,554,608.03
  5. Step 5: Solve for x
    x = 194,800,554,608.03/507,559.39
  6. Step 6: Final answer
    x = 383,798.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.